1986 Japanese House of Councillors election
# 1986 Japanese House of Councillors election

Elections for the Japanese House of Councillors were held in Japan in 1986.

Only half of this House of Councillors was up for election. The results show the whole legislature following the elections.

## Results

Seats :

| Party | Party | Votes | % | Seats | Votes | % | Seats | Not up | Won | Total after | +/– |
| - | - | - | - | - | - | - | - | - | - | - | - |
| | Liberal Democratic Party | 22,132,573 | 38.58 | 22 | 26,111,258 | 45.07 | 50 | 68 | 72 | 140 | +3 |
| | Japan Socialist Party | 9,869,088 | 17.20 | 9 | 12,464,579 | 21.51 | 11 | 21 | 20 | 41 | –3 |
| | Kōmeitō | 7,438,501 | 12.97 | 7 | 2,549,037 | 4.40 | 3 | 14 | 10 | 24 | –2 |
| | Japanese Communist Party | 5,430,838 | 9.47 | 5 | 6,617,487 | 11.42 | 4 | 7 | 9 | 16 | +2 |
| | Democratic Socialist Party | 3,940,325 | 6.87 | 3 | 2,643,370 | 4.56 | 2 | 7 | 5 | 12 | +1 |
| | Tax Affairs Party | 1,803,051 | 3.14 | 1 | 327,444 | 0.57 | 0 | 1 | 1 | 2 | New |
| | New Party for Salaried Men | 1,759,484 | 3.07 | 1 | | | | 2 | 1 | 3 | +1 |
| | Dainiin Club | 1,455,532 | 2.54 | 1 | | | | 2 | 1 | 3 | +1 |
| | New Liberal Club | 1,367,291 | 2.38 | 1 | | | | 1 | 1 | 2 | 0 |
| | Other parties | 2,166,059 | 3.78 | 0 | 1,192,801 | 2.06 | 0 | 1 | 0 | 1 | – |
| | Independents | | | | 6,032,259 | 10.41 | 6 | 1 | 6 | 7 | +1 |
| Vacant | Vacant | | | | | | 1 | 0 | 1 | 1 | – |
| Total | Total | 57,362,742 | 100.00 | 50 | 57,938,235 | 100.00 | 77 | 125 | 127 | 252 | 0 |
| Valid votes | Valid votes | 57,362,742 | 93.06 | | 57,938,235 | 93.94 | | | | | |
| Invalid/blank votes | Invalid/blank votes | 4,280,530 | 6.94 | | 3,735,135 | 6.06 | | | | | |
| Total votes | Total votes | 61,643,272 | 100.00 | | 61,673,370 | 100.00 | | | | | |
| Registered voters/turnout | Registered voters/turnout | 86,426,845 | 71.32 | | 86,426,845 | 71.36 | | | | | |
| Source: Ministry of Internal Affairs and Communications, National Diet ||||||||||||

### By constituency

| Constituency | Total seats | Seats won | Seats won | Seats won | Seats won | Seats won | Seats won | Seats won | Seats won | Seats won | Seats won |
| - | - | - | - | - | - | - | - | - | - | - | - |
| Constituency | Total seats | LDP | JSP | Kōmeitō | JCP | DSP | TAP | NPSM | DC | NLC | Ind. |
| Aichi | 3 | 1 | | | | 1 | | | | | 1 |
| Akita | 1 | 1 | | | | | | | | | |
| Aomori | 1 | | | | | | | | | | 1 |
| Chiba | 2 | 1 | 1 | | | | | | | | |
| Ehime | 1 | 1 | | | | | | | | | |
| Fukui | 1 | 1 | | | | | | | | | |
| Fukuoka | 3 | 2 | 1 | | | | | | | | |
| Fukushima | 2 | 1 | 1 | | | | | | | | |
| Gifu | 1 | 1 | | | | | | | | | |
| Gunma | 2 | 2 | | | | | | | | | |
| Hiroshima | 2 | 1 | | | | 1 | | | | | |
| Hokkaido | 4 | 2 | 1 | | 1 | | | | | | |
| Hyōgo | 3 | 1 | 1 | 1 | | | | | | | |
| Ibaraki | 2 | 1 | 1 | | | | | | | | |
| Ishikawa | 1 | 1 | | | | | | | | | |
| Iwate | 1 | 1 | | | | | | | | | |
| Kagawa | 1 | 1 | | | | | | | | | |
| Kagoshima | 2 | 2 | | | | | | | | | |
| Kanagawa | 2 | 1 | 1 | | | | | | | | |
| Kōchi | 1 | 1 | | | | | | | | | |
| Kumamoto | 2 | 2 | | | | | | | | | |
| Kyoto | 2 | 1 | | | 1 | | | | | | |
| Mie | 1 | 1 | | | | | | | | | |
| Miyagi | 1 | 1 | | | | | | | | | |
| Miyazaki | 1 | | | | | | | | | | 1 |
| Nagano | 2 | 1 | 1 | | | | | | | | |
| Nagasaki | 1 | 1 | | | | | | | | | |
| Nara | 1 | 1 | | | | | | | | | |
| Niigata | 2 | 1 | 1 | | | | | | | | |
| Ōita | 1 | 1 | | | | | | | | | |
| Okinawa | 1 | 1 | | | | | | | | | |
| Okayama | 2 | 1 | | | | | | | | | 1 |
| Osaka | 3 | | | 1 | 1 | | | | | | 1 |
| Saga | 1 | 1 | | | | | | | | | |
| Saitama | 2 | 1 | 1 | | | | | | | | |
| Shiga | 1 | | | | | | | | | | 1 |
| Shimane | 1 | 1 | | | | | | | | | |
| Shizuoka | 2 | 1 | 1 | | | | | | | | |
| Tochigi | 2 | 2 | | | | | | | | | |
| Tokushima | 1 | 1 | | | | | | | | | |
| Tokyo | 4 | 2 | | 1 | 1 | | | | | | |
| Tottori | 1 | 1 | | | | | | | | | |
| Toyama | 1 | 1 | | | | | | | | | |
| Wakayama | 1 | 1 | | | | | | | | | |
| Yamagata | 1 | 1 | | | | | | | | | |
| Yamaguchi | 1 | 1 | | | | | | | | | |
| Yamanashi | 1 | 1 | | | | | | | | | |
| National | 50 | 22 | 9 | 7 | 5 | 3 | 1 | 1 | 1 | 1 | |
| Total | 126 | 72 | 20 | 10 | 9 | 5 | 1 | 1 | 1 | 1 | 6 |
